#!/bin/bash

source f3.sh
#.  f3.sh


mul(){
	echo "乘法结果: $(( num1 * num2 ))"
	echo "乘法结果: $(( num1 * num2 ))"
	echo "乘法结果: $(( num1 * num2 ))"
	echo "乘法结果: $(( num1 * num2 ))"
}
add
jf
sc

mul


